<!DOCTYPE html>
<head>
	<meta charset="utf-8">
	<title>aside sample</title>
</head>
<body>
<header>
	<h1>F# Introduction</h1>
</header>
	<article>
		<h1>Grammar Lambda</h1>
		<p>Lambda is a xxxxxxxxxxxxxxxxxxxxxxx</p>
		<aside>
			<h1>Explanation</h1>
			<d1>
				<dt>F#</dt>
				<dd>F# is new language in .net</dd>
			</d1>
			<d1>
				<dt>Enclosure</dt>
				<dd>Enclosure means .....................</dd>
			</d1>
				
		</aside>
	</article>
	</body>